CN215626701U - Constant-pressure filling vacuum anti-drip device - Google Patents
Constant-pressure filling vacuum anti-drip device Download PDFInfo
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- CN215626701U CN215626701U CN202121769641.5U CN202121769641U CN215626701U CN 215626701 U CN215626701 U CN 215626701U CN 202121769641 U CN202121769641 U CN 202121769641U CN 215626701 U CN215626701 U CN 215626701U
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Abstract
The utility model is suitable for the technical field of filling, and provides a constant-pressure filling vacuum drip-proof device, which comprises: the filling pipe is provided with a first valve, and the first valve is connected with a constant pressure pipe with constant pressure; one end of the communicating component is connected with the filling pipe, the other end of the communicating component is connected with a back-pumping component, the communicating component is used for communicating or separating the filling pipe and the back-pumping component and temporarily storing residual liquid, and the back-pumping component is used for pumping the residual liquid in the filling pipe into the communicating component; first valve is opened, and the second valve is closed, and liquid fills through constant voltage pipe and filling tube, and the back is accomplished in the filling, and first valve is closed and the second valve is opened, and the vacuum pump is through vacuum pumpback pipe, vacuum buffer tube, vacuum constant voltage jar and the intraductal residual liquid of vacuum filter extraction filling, and residual liquid is held temporarily in the vacuum buffer tube, prevents liquid water clock.
Description
Technical Field
The utility model belongs to the technical field of filling, and particularly relates to a constant-pressure filling vacuum drip-proof device.
Background
Constant voltage filling equipment has overcome volumetric and gravity flow metering accuracy in the existing market low, and peristaltic pump silicone tube is easy ageing, and weighing type partial shipment speed is slow, the shortcoming that does not adapt to the requirement of present high speed high yield, is a partial shipment mode under higher constant voltage state, and metering accuracy is high, and the production can adjust convenient and fast, wide to medicine food adaptability, cleaning and disinfecting convenience, can the different dosage's of quick adjustment partial shipment general type liquid filling machine.
The constant-pressure filling equipment performs filling under a higher uniform pressure, and in the filling process, in order to prevent the situation that when two packaging bottles are subjected to filling conversion, a part of traditional Chinese medicines always remain at the outlet of a filling head and drop onto a packaging table or the next packaging bottle, an anti-drip device is required to be arranged on the filling head; the existing non-constant pressure filling machine mostly adopts a vacuum back suction, air blowing of an air circuit or return sealing of a filling head spring to prevent dripping, and because the constant pressure filling is carried out under higher pressure, the simple vacuum back suction anti-dripping device, the air blowing of the air circuit and the return sealing anti-dripping device of the filling head spring of the non-constant pressure filling can not overcome the downward kinetic energy of the filling liquid, and the dripping still exists.
The utility model adopts a set of medium vacuum degree vacuum device, and solves the problem of liquid leakage in the constant pressure filling process.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model aims to provide a constant-pressure filling vacuum anti-drip device, and aims to solve the problems in the background art.
The embodiment of the utility model is realized in such a way that the constant-pressure filling vacuum drip-proof device comprises:
the filling pipe is provided with a first valve, and the first valve is connected with a constant pressure pipe with constant pressure;
the intercommunication subassembly, intercommunication subassembly one end with the filling tube is connected, the intercommunication subassembly other end is connected with the pumpback subassembly, the intercommunication subassembly is used for the intercommunication or separates filling tube and pumpback subassembly to and keep in residual liquid, the pumpback subassembly is used for with the intraductal residual liquid suction intercommunication subassembly of filling.
As a further scheme of the present invention, the communicating component includes a vacuum back-pumping pipe, a second valve and a vacuum buffer pipe, the vacuum buffer pipe is communicated with the back-pumping component, the vacuum buffer pipe is connected with the second valve, the second valve is connected with the vacuum back-pumping pipe, one end of the vacuum back-pumping pipe extends into the filling pipe, and the first valve and the second valve are in opposite opening and closing states and are interlocked.
As a further aspect of the utility model, a third valve is mounted on the vacuum buffer tube and is connected to a liquid supply for providing liquid to clean the communication assembly.
As a further aspect of the utility model, a fourth valve for discharging the liquid pumped back by the pumping back assembly is mounted on the vacuum buffer tube.
As a further scheme of the present invention, the evacuation component includes a vacuum constant pressure tank, a vacuum filter and a vacuum pump, one end of the vacuum constant pressure tank is connected to the communicating component, the vacuum constant pressure tank is used for maintaining the pressure of the vacuum system constant when the communicating component is opened, the other end of the vacuum constant pressure tank is connected to the vacuum filter, the vacuum filter is connected to the vacuum pump, the vacuum filter is used for filtering the evacuation gas to protect the vacuum pump, and the vacuum pump is used for pumping the residual liquid in the filling pipe into the communicating component.
First valve is opened, and the second valve is closed, and liquid fills through constant voltage pipe and filling tube, and the back is accomplished in the filling, and first valve is closed and the second valve is opened, and the vacuum pump is through vacuum pumpback pipe, vacuum buffer tube, vacuum constant voltage jar and the intraductal residual liquid of vacuum filter extraction filling, and residual liquid is held temporarily in the vacuum buffer tube, prevents liquid water clock.
Drawings
Fig. 1 is a schematic structural diagram of a constant pressure filling vacuum anti-drip device according to an embodiment of the present invention;
in the drawings: 1-filling pipe, 2-first valve, 3-constant pressure pipe, 4-vacuum pumping-back pipe, 5-second valve, 6-vacuum buffer pipe, 7-vacuum constant pressure tank, 8-vacuum filter, 9-vacuum pump, 10-third valve and 11-fourth valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, an embodiment of the present invention includes:
the filling device comprises a filling pipe 1, wherein a first valve 2 is arranged on the filling pipe 1, and the first valve 2 is connected with a constant pressure pipe 3 with constant pressure;
the intercommunication subassembly, intercommunication subassembly one end with filling tube 1 is connected, the intercommunication subassembly other end is connected with the pumpback subassembly, the intercommunication subassembly is used for the intercommunication or separates filling tube 1 and pumpback subassembly to and keep in residual liquid, the pumpback subassembly is used for with filling tube 1 interior residual liquid suction intercommunication subassembly.
In this embodiment, the filling tube 1 controls the on-time of the first valve 2 through the PLC to measure the dosage of the filling liquid, the pressure in the constant-pressure tube 3 is constant to ensure that the flow rates of the liquid in the filling tubes 1 are equal, the communicating component includes a vacuum back-pumping tube 4, a second valve 5 and a vacuum buffer tube 6, the vacuum buffer tube 6 is communicated with the back-pumping component, the vacuum buffer tube 6 is used for temporarily storing the back-pumped liquid, the vacuum buffer tube 6 is connected with the second valve 5, the second valve 5 is connected with the vacuum back-pumping tube 4, one end of the vacuum back-pumping tube 4 extends into the filling tube 1, the open and close states of the first valve 2 and the second valve 5 are opposite and interlocked, the first valve 2 is opened, the second valve 5 is closed, the liquid is filled through the constant-pressure tube 3 and the filling tube 1, after the filling is completed, the first valve 2 is closed and the second valve 5 is opened, the evacuation assembly evacuates the residual liquid in the filling tube 1 back into the vacuum buffer tube 6 through the vacuum evacuation tube 4.
Further, a third valve 10 is installed on the vacuum buffer tube 6, the third valve 10 is connected with a liquid supply machine for providing liquid to clean the communicating component, the third valve 10 is opened, and the liquid is introduced into the communicating component to clean the communicating component.
Further, a fourth valve 11 for discharging the liquid pumped back by the pumping-back assembly is installed on the vacuum buffer tube 6, and the fourth valve 11 is opened to discharge the residual liquid in the communicating assembly.
Referring to fig. 1, in an embodiment of the present invention, the evacuation assembly includes a vacuum constant pressure tank 7, a vacuum filter 8 and a vacuum pump 9, one end of the vacuum constant pressure tank 7 is connected to the communicating assembly, the vacuum constant pressure tank 7 is used for maintaining the pressure of the vacuum system constant when the communicating assembly is opened, the other end of the vacuum constant pressure tank 7 is connected to the vacuum filter 8, the vacuum filter 8 is connected to the vacuum pump 9, the vacuum filter 8 is used for filtering the evacuation gas to protect the vacuum pump 9, and the vacuum pump 9 is used for pumping the residual liquid in the filling tube 1 into the communicating assembly.
In the embodiment, the vacuum pump 9 continuously works to vacuumize the vacuum constant pressure tank 7, and the vacuum constant pressure tank 7 has a large enough volume to bear the impact of the opening and closing of the second valve 5 on the vacuum degree of the system and stabilize the vacuum pressure of the system; the vacuum filter 8 protects the vacuum pump 9 oil in the vacuum pump 9 from being contaminated by other contaminants contained in the pumped gas; the liquid sucked by the vacuum pumping-back pipe 4 flows into the vacuum buffer pipe 6 for temporary storage and is prevented from flowing into the vacuum constant pressure tank 7.
The working principle is as follows:
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The utility model provides a constant voltage filling vacuum antidrip device which characterized in that includes:
the filling pipe is provided with a first valve, and the first valve is connected with a constant pressure pipe with constant pressure;
the intercommunication subassembly, intercommunication subassembly one end with the filling tube is connected, the intercommunication subassembly other end is connected with the pumpback subassembly, the intercommunication subassembly is used for the intercommunication or separates filling tube and pumpback subassembly to and keep in residual liquid, the pumpback subassembly is used for with the intraductal residual liquid suction intercommunication subassembly of filling.
2. The constant-pressure filling vacuum drip-proof device according to claim 1, wherein the communicating component comprises a vacuum back-pumping pipe, a second valve and a vacuum buffer pipe, the vacuum buffer pipe is communicated with the back-pumping component, the vacuum buffer pipe is connected with the second valve, the second valve is connected with the vacuum back-pumping pipe, one end of the vacuum back-pumping pipe extends into the filling pipe, and the first valve and the second valve are opposite in opening and closing state and are interlocked.
3. The constant pressure filling vacuum drip prevention device of claim 2, wherein a third valve is mounted on the vacuum buffer tube, and a liquid supply machine for providing liquid cleaning communication is connected to the third valve.
4. The constant pressure filling vacuum drip stop device according to claim 2, wherein a fourth valve for discharging the liquid pumped back by the back-pumping assembly is installed on the vacuum buffer tube.
5. The constant-pressure filling vacuum drip-proof device according to claim 1, wherein the evacuation component comprises a vacuum constant-pressure tank, a vacuum filter and a vacuum pump, one end of the vacuum constant-pressure tank is connected with the communicating component, the vacuum constant-pressure tank is used for maintaining the pressure of a vacuum system constant when the communicating component is opened, the other end of the vacuum constant-pressure tank is connected with the vacuum filter, the vacuum filter is connected with the vacuum pump, the vacuum filter is used for filtering evacuation gas and protecting the vacuum pump, and the vacuum pump is used for pumping residual liquid in the filling pipe into the communicating component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121769641.5U CN215626701U (en) | 2021-07-30 | 2021-07-30 | Constant-pressure filling vacuum anti-drip device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121769641.5U CN215626701U (en) | 2021-07-30 | 2021-07-30 | Constant-pressure filling vacuum anti-drip device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215626701U true CN215626701U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121769641.5U Active CN215626701U (en) | 2021-07-30 | 2021-07-30 | Constant-pressure filling vacuum anti-drip device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215626701U (en) |
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2021
- 2021-07-30 CN CN202121769641.5U patent/CN215626701U/en active Active
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